344221020131 has 4 divisors (see below), whose sum is σ = 345968335152. Its totient is φ = 342473705112.

The previous prime is 344221020109. The next prime is 344221020149. The reversal of 344221020131 is 131020122443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131020122443 = 7 ⋅18717160349.

It is a cyclic number.

It is not a de Polignac number, because 344221020131 - 2¹⁸ = 344220757987 is a prime.

It is a super-2 number, since 2×344221020131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 344221020097 and 344221020106.

It is not an unprimeable number, because it can be changed into a prime (344221020191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 873657215 + ... + 873657608.

It is an arithmetic number, because the mean of its divisors is an integer number (86492083788).

Almost surely, 2^344221020131 is an apocalyptic number.

344221020131 is a deficient number, since it is larger than the sum of its proper divisors (1747315021).

344221020131 is a wasteful number, since it uses less digits than its factorization.

344221020131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747315020.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 344221020131 its reverse (131020122443), we get a palindrome (475241142574).

The spelling of 344221020131 in words is "three hundred forty-four billion, two hundred twenty-one million, twenty thousand, one hundred thirty-one".